@import './color'

$padding = 1rem
$fontsize = 2rem

.btn
  cursor pointer
  writing-mode vertical-lr
  text-align center
  font-size $fontsize
  width $fontsize

  background-color $bg
  border-radius 0 0 $padding $padding
  border 0.1rem solid $fg
  border-top none

  z-index 30
  padding 0 $padding
  height 6rem
  transition all 0.2s

  &:hover
    z-index 31
    height 10rem
    box-shadow 0 0 0.5rem $sd

